Various people around the world are looking to Dec. 21, the last day on an ancient Mayan calendar, as the end of the world. And while that theory has long been discredited, some people, especially in China, are madly preparing for that day.

Various people around the world are looking to Dec. 21, the last day on an ancient Mayan calendar, as the end of the world. And while that theory has long been discredited, some people, especially in China, are madly preparing for that day.